\chapter{概率}

\input{units/ds3-ch3-1}
\input{units/ds3-ch3-2}
\input{units/ds3-xiti-6}

\vspace{2em}
\input{units/ds3-ch3-3}
\input{units/ds3-ch3-4}
\input{units/ds3-ch3-5}
\input{units/ds3-xiti-7}

\vspace{2em}
\input{units/ds3-ch3-xiaojie}

\nonumsection{复习参考题三}
\input{units/ds3-ch3-fuxi-A.tex}
\input{units/ds3-ch3-fuxi-B.tex}

